The DIM500GDM33-PS500 from Dynex Semiconductor is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2.4 to 3.40 V, DC Collector Current 500 A, Peak Collector Current 1000 A, DC Forward Current 500 A. More details for DIM500GDM33-PS500 can be seen below.